using System;

public static partial class Extensions
    {
        /// <summary>
        ///     Returns the smallest integral value that is greater than or equal to the specified double-precision floating-
        ///     point number.
        /// </summary>
        /// <param name="a">A double-precision floating-point number.</param>
        /// <returns>
        ///     The smallest integral value that is greater than or equal to . If  is equal to , , or , that value is
        ///     returned. Note that this method returns a  instead of an integral type.
        /// </returns>
        public static Double Ceiling(this Double a)
        {
            return Math.Ceiling(a);
        }
    }
